Nozzle equipped valve outlet for containers



July 4, 1950 J, COYLE ET AL 2,514,030

NOZZLE EQUIPPED VALVE OUTLET FOR CONTAINERS Filed March 20, 1946 Jan/vCoYLE WM. F/ u/vTE Fi -4 61% {W Patented July 4, 195

NOZZLE EQUIPPED VALVE OUTLET FOB. CONTAINERS John Coyle and William F.Punte, Baltimore, Ma, assignors to Continental Can Company, Inc., NewYork, N. Y., a corporation of New York Application March 20, 1946,Serial N0. 655,864

2 Claims.

Our invention of which the following is a detailed specification relatesto nozzle equipped valve outlets for containers suitable for thepackaging, transport and dispensing of fluids under superatmosphericpressure. Such devices find wide application in the packaging of fluidfood stufis, beverges, condiments, dressings and the like. They are alsoof distinct advantage in,

the convenient handling of vaporizable fluids such as perfumes,deodorants, insecticides, aerosols and Similar fluids.

In the packaging of such materials, it is most desirable to use sheetmetal containers such as cans with suitable adaptation for dispensin thecontents. It is, however, necessary to simplify the construction andeconomize the manufacture of the devices.

An object of our invention is to provide a convenient and economicalvalve outlet for containers of fluids under pressure. In providing sucha device it is, of course, essential that the outlet be capable ofreceiving a cap which will protect the outlet and prevent escape of thecontents during shipping and storage in stacks.

One object of our invention is to provide such an outlet within theoverall dimensions of the container for better security againstdamageand convenience in economical packing.

A further object of our invention is to provide a readily attachablenozzle which will replace the storage cap.

A further object of the invention is to provide means in the nozzle todirect the discharge of the contents as a. spra or the like over thebeaded rim of the container.

A still further object of our invention is to provide novel means bywhich the nozzle is sealed against leakage during discharge through theoutlet and for confining the discharge through the nozzle alone.

For the purpose of example we have illustrated the preferred form of ourinvention in the accompanying drawings in which:

Figure l is a vertical cross section of the combined valved outlet anddetachable spraying nozzle;

Figure 2 is a top plan view of the valve shell itself;

Figure 3 is a top plan view of the spray nozzle, and,

Figure 4 is a. top plan view of the valve showing the notches and prongsby means of which the gasket is secured to the valve plate.

In the drawings, the sheet metal container or can has been illustratedfragmentally at 6 by the I cylindrical and relatively showing of part ofthe concave pressure head by which the container is adapted to holdfluids under superatmospheric pressure.

Centrally of the head 6 there is a depressed ofi-set circular flange 1within which the outlet fixture is attached and hermetically sealed bysolder bonding, welding or other suitable means to effect a.pressure-proof seal between the flange land the rib 9 of the shell 8.This outlet fixture comprises a shell 8 which is generally low.

The base of the shell 8 is formed with an outwardly projecting rib 9terminatin in an inwardly directed flange I0. This forms a cir culargroove in which there is permanently held a disc II which seals oif thecontents of the container except for discharge through eduction or drafttube l2. The tube I2 is permanently attached centrally of the disc I!and extends to the opposite or bottom end of the can in such manner asto evacuate all of theflud contents of the container.

On opposite sides of the shell 8, the latter is expanded to provide apair of nibs l3. These nibs are adapted to receive a sealing cap notillustrated but of conventional form having a bayonet fastening engagingthe nibs and wholly below the cans rim. In this way the shell 8 may .besuitably and conveniently sealed and protected after being sealed toprevent lOss of the can contents during storage and shipping.

.The top of the shell :8 is depressed to form a flat valve seat ll withan the shell.

The valve plate I5 is mounted for vertical sliding movement within theshell 8. The plate has a plurality of upturned prongs l6 which extendupwardly through notches in a flat valve gasket or facing l1 and arebent back on to the upper face of said gasket for firmly securing thesame to the valve plate l5. -This gasket or facing l1 forms with thevalve seat H a gas-tight and liquid-tight seal. The valve is heldagainst the seat by means of a coil spring l8 under compression betweenthe valve plate 15 and the disc II. Clearance is provided between theinner wall of the shell 8 and the perimeter of the valve gasket ll.These slots in the valve gasket and the clearance mentioned provide apassage through which the liquid contents of the can will pass when thevalve is unseated.

A dispensing head I! is provided having a depending skirt 20 whichengages over and is removably attached to the outlet shell 8. Bayonetslots 2| of which the horizontal portions axial opening through- 3 onlyare shown in Fig. 1 permit the skirt 20 to be slipped down over theshell 8 and by partial rotation securely attached to the latter by meansof the locking nibs l3. A ring gasket 22 fitted within the spray cap atthe top of the depending skirt 20 forms a seal between the latter andthe top of the outlet shell 8.

A spray nozzle 23 projects obliquely from the body of the dispensinghead l9 and a discharge passageway 24 extends through the nozzle fromthe central portion of the depending skirt 20, the inner end of thisdischarge passage 24 overlying the central opening in the ring gasket22.

A valve operatingplunger 25 is slidably mounted in a bore disposedcentrally of the dispensing head ISr'The outer end of the plunger isreduced and riveted to a spreading head 26 adapted to be depressed byfinger pressure. A compressible resilient collar 21 fits tightly aroundthe plunger 25 and occupies the space between the head 26 and the bodyof the dispensing head [9. It seals the bore in the spray cap andeliminates need for special packing and the like. This collar isdimensioned so as to hold the lower end 28 of the plunger 25 spaced aslight distance from the valve facinggasket I! when the valve is innon-operating position.

In order to prevent removal or loss of the plunger 25, the lower end 28is upset or spread to form a limit stop in the manner indicated inFigure 1.

The use of the outlet and the dispensing head will be clearly apparentfrom the above description. In packaging, storage and shipping theoutlet forms a part of the metal can. It is adapted to be capped in anysuitable manner for example, by means of a bayonet cap as described.

It will be understood that the capped outlet is proof against accidentalleakage and is contained within the limits of the plane of the rim ofthe container.

At the point of use, the outlet is uncapped and I the dispensing headattached to the shell 8. This does not disturb the seal providing theplunger head is held against inward movement.

However, by the removal of any such holding means as the clip abovedescribed, the plunger may then be depressed against the compression ofthe collar 21. The lower end of the plunger 28 engages the valve facingl1, unseats the valve and permits the discharge of the fluid underpressure through the spray nozzle 23. In this operation, leakage aroundthe dispensing head is prevented by the gasket 22. At the same timecompression of the resilient collar 21 serves as an efficient gas tightpacking for the plunger 25.

The discharge from the nozzle 23 ,may be in the form of liquid or vapor.In either case the discharge will .be directed to a point over andbeyond the rim of the head 6 and may be directed in the desired manner.

On release of pressure on the plunger head 28, the resilient collarwithdraws the lower end 28 and permits the coil spring I8 to bring thevalve facing ll into sealing contact with the valve seat I 4.

While the preferred embodiment has been described above, it will, ofcourse, be understood that the invention may be embodied in diversestructures of differing proportion, structural details and materialswithout departing from the 4' I scope of the invention as set out in thefollowing claims:

We claim:

1. A dispensing container having an end capable of withstanding internalpressure, an outlet shell permanently attached to the outer face of saidend, a disc mounted at the lower end of said shell and havin a sealedengagement therewith, an eduction tube connected to said disc, the upperend of said shell being bent inwardly and downwardly and providedcentrally thereof with .a discharge opening surrounded .by a valve seat,

a valve within said shell adapted to engage said seat, a spring in theshell for normally holding the valve seated a dispensing head having adepending skirt detachably connected to said shell, a ring gasketdisposed within said head and forming with the upper end of the shell afluid chamber, said head having a nozzle and passage therethroughconnected to said chamber, said dispensing head being provided with handoperated means for unseating the valve to permit the fluid within thecontainer to pass into said chamber and be dispensed from said nozzle.

2. A dispensing container having an end capable of withstanding internalpressure, an outlet shell permanently attached to the outer face of saidend, a disc mounted at the lower end of said shell and having a sealedengagement therewith, an eduction tube connected to said disc, the upperend of said shell being bent inwardly and downwardly and providedcentrally thereof with a discharge opening surrounded by a, valve seat,a valve within said shell adapted to engage said seat, a spring in theshell for normally holding the valve seated, a dispensinghead having adepending skirt detachably connected to said shell, a ring gasketdisposed within said head and forming with the upper end of the shell afluid chamber, said head having a nozzle and passage therethroughconnected to said chamber, said dispensing head having a bore centrallythereof, a plunger mounted in said bore and adapted to engage the valvewhen pressed upon for unseating the same, said plunger having anexpanded operating head at the upper end thereof and a collar ofresilient deformable material fitting on said plunger between theoperating head thereof and the upper end of the dispensing head formaintaining said plunger in raised position and for sealing the borethrough the dispensing head in which the plunger operates.

JOHN COYLE. WILLIAM F. PUNTE.

REFERENCES CITED The following references are of record in the file ofthis patent:

UNITED STATES PATENTS

